diff options
| -rw-r--r-- | merge-recursive.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/merge-recursive.c b/merge-recursive.c index 7a93dd920..d4de1adfe 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -1223,6 +1223,18 @@ int merge(struct commit *h1, output_commit_title(iter->item); merged_common_ancestors = pop_commit(&ca); + if (merged_common_ancestors == NULL) { + /* if there is no common ancestor, make an empty tree */ + struct tree *tree = xcalloc(1, sizeof(struct tree)); + unsigned char hdr[40]; + int hdrlen; + + tree->object.parsed = 1; + tree->object.type = OBJ_TREE; + write_sha1_file_prepare(NULL, 0, tree_type, tree->object.sha1, + hdr, &hdrlen); + merged_common_ancestors = make_virtual_commit(tree, "ancestor"); + } for (iter = ca; iter; iter = iter->next) { output_indent = call_depth + 1; |